The week in sport – in pictures

Ben Botica of Harlequins is tackled by Anthony Perenise of Bath during their LV=Cup semi-final Photograph: Scott Heavey/Getty Images

Alvarado seems to see the funny side after parting company with Paul Moloney at the final fence at Sandown Photograph: Julian Herbert/Action Images

It's not triplet bodybuilders but a multiple exposure of An Nguyen strutting his stuff at the IFBB Australia Pro Grand Prix XII Photograph: Robert Cianflone/Getty Images

Kerrie Perkins competes in the women's long jump during the Sydney Track Classic Photograph: Mark Nolan/Getty Images

Some would call it brave and some would call it foolhardy. We're not talking about taking part in the Braveheart-Battle endurance race in Muennerstadt, but wearing leopard spot skimpies in public. The Braveheart-Battle sports event has been running for four years now and attracts around 3,000 participants to compete in the competition which includes diving through mud holes and into freezing-cold water Photograph: David Ebener/Actionplus

Borussia Dortmund fans burn flares during their meeting with Schalke Photograph: Patrik Stollarz/AFP/Getty Images

Russia's Tatiana Volosozhar and Maxim Trankov warm-up while waiting to practise before the world figure skating championships in London, Ontario, Canada Photograph: Brendan Smialowski/AFP/Getty Images

Paul Gebhardt tilts his dogsled on to one runner as he makes a road crossing at Fort Davis near Nome, Alaska, during the finish of the Iditarod dog race Photograph: Bill Roth/The Anchorage Daily News/AP

It's not Roman Abramovich's yacht but the Diamond Princess cruise ship that's dwarfing the Sydney Regatta competitors sail in Sydney Harbour Photograph: Cameron Spencer/Getty Images

Dustin Murley is trampled by his ostrich after falling off during a race at the annual ostrich festival in Chandler, Arizona Photograph: Joshua Lott/Reuters

There's an almost ethereal quality to this image of Elene Gedevanishvili at the world figure skating championships Photograph: Ronald Martinez/Getty Images

It's a close race during the women's ski cross at the FIS World Championship Photograph: Alexis Boichard/Agence Zoom/Getty Images

Not only is there lovely lighting on this picture of Lionel Messi, it also shows a side of him that you rarely see: sat on the Barcelona bench Photograph: David Ramos/Getty Images

The pack rides during the sixth stage of the 71st Paris-Nice cycling race between Manosque and Nice Photograph: Jeff Pachoud/AFP/Getty Images

China's Chen Long in action during his semi-final match at the All England Badminton Championships Photograph: Steven Paston/Action Images

If Carlsberg sold tickets for the Grasshopper Club versus FC St Gallen game ... Photograph: Arnd Wiegmann/Reuters